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中国腐蚀与防护学报  2008, Vol. 28 Issue (6期): 341-344    
  研究报告 本期目录 | 过刊浏览 |
304不锈钢钝化膜在不同溶液中的半导体导电行为
钟庆东 1;王超2;罗沃德2;斯特莱特曼2;周国治2
1.上海大学材料科学与工程学院 上海 200072
2.上海电力学院环境工程系 上海 200090
3. Max-Planck-Institut für Eisenforschung;Düsseldorf; 40237 Germany
SEMICONDUCTING BEHAVIOR OF 304 STAINLESS STEEL IN ELECTROLYTE SOLUTION
ZHONG Qingdong1;2;WANG Chao1;LU Xionggang1;M.Rohwerder3;ZHOU Guozhi1
1.School of Materials Science and Engineering; Shanghai University; Shanghai 200072
2.Department of Environmental Engineering; Shanghai University of Electric Power; Shanghai 200090
3.Max-Planck-Institut für Eisenforschung; Düsseldorf; 40237 Germany
全文: PDF(775 KB)  
摘要: 

采用电位-电容法及Mott-Schottky分析技术研究了自腐蚀电位条件下304不锈钢钝化膜在酸、碱性溶液中的半导体导电行为。研究表明,304不锈钢钝化膜在不同溶液体系中表现出不同的导电特征,在5‰H2SO4溶液中,呈现两个空间电荷层,扫描电位低于0 VSCE,钝化膜呈现p型半导体导电特征。而扫描电位大于0 VSCE,钝化膜呈现n型半导体导电特征。钝化膜在5%NaOH溶液中呈现p型半导体导电特征。在不同溶液中载流子浓度随着浸泡时间的延长变化不大。

关键词 304不锈钢钝化膜导电机制P型半导体N型半导体    
Abstract

The semiconducting behavior of 304 stainless steel in acid and base solution was studied by utilizing potential-capacitance and Mott-Schottky analysis. It was pointed out that conducting behaviour of 304 stainless steel in different solution was different. The stainless steel showed double layer of space charge layer in 5‰ sulfuric acid, below 0 VSCE, the steel electrode showed p-type semiconducting behaviour, above 0 VSCE, the steel electrode showed n-type semiconducting behaviour. However, in 5% sodium hydroxide, the electrode showed p-type semiconducting behaviour.With increasing immersion time, the density of charge carriers in different solution changed slightly.

Key words304 stainless steel    conducting mechanism    p-type semiconductor    n-type semiconductor
收稿日期: 2007-02-05     
ZTFLH: 

TG174.48

 
基金资助:

国家自然科学基金(50571059,50615)

通讯作者: 钟庆东 qdzhong@shu.edu.cn   
Corresponding author: ZHONG Qingdong   

引用本文:

钟庆东 王超 罗沃德 斯特莱特曼 周国治. 304不锈钢钝化膜在不同溶液中的半导体导电行为[J]. 中国腐蚀与防护学报, 2008, 28(6期): 341-344.

链接本文:

https://www.jcscp.org/CN/Y2008/V28/I6期/341

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